diff --git a/torchscale/architecture/config.py b/torchscale/architecture/config.py
index 14e7bfc..74fa3f9 100644
--- a/torchscale/architecture/config.py
+++ b/torchscale/architecture/config.py
@@ -77,7 +77,6 @@ class EncoderConfig(Config):
             self.deepnorm = False
         
 
-
 class DecoderConfig(Config):
     def __init__(self, **kwargs):
         super().__init__(**kwargs)
@@ -100,8 +99,8 @@ class DecoderConfig(Config):
             self.deepnorm = False
 
 
-
 class EncoderDecoderConfig(EncoderConfig, DecoderConfig):
     def __init__(self, **kwargs):
         super().__init__(**kwargs)
         self.share_all_embeddings = kwargs.pop("share_all_embeddings", False)
+